E layer

/ˌi ˈleɪər/
IPA guide

Definitions of E layer
  1. noun
    a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length
    synonyms: E region, Heaviside layer, Kennelly-Heaviside layer
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    example of:
    part, region
    the extended spatial location of something
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